Sierra 1500 4WD V8-6.0L VIN U (2006)
Transmission Pressure Test Port: Service and Repair
Oil Pressure Test Plug Replacement
Removal Procedure
1. Remove the pressure tap plug (2) and O-ring (1) on the bottom of the converter housing near the transmission external oil filter.
2. Remove the O-ring from the plug and discard it.
Installation Procedure
1. Install a new O-ring (1) on the pressure tap plug (2).
2. Install the plug and O-ring into the converter housing.
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Tighten the plug to 12 Nm (108 inch lbs.).